129930980 has 48 divisors (see below), whose sum is σ = 279720000. Its totient is φ = 50679936.

The previous prime is 129930973. The next prime is 129930989. The reversal of 129930980 is 89039921.

It is not an unprimeable number, because it can be changed into a prime (129930989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175451 + ... + 176189.

It is an arithmetic number, because the mean of its divisors is an integer number (5827500).

Almost surely, 2^129930980 is an apocalyptic number.

129930980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129930980 is an abundant number, since it is smaller than the sum of its proper divisors (149789020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129930980 is a wasteful number, since it uses less digits than its factorization.

129930980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 129930980 is about 11398.7271219202. The cubic root of 129930980 is about 506.4900344214.

The spelling of 129930980 in words is "one hundred twenty-nine million, nine hundred thirty thousand, nine hundred eighty".